Show HN: Cable Detective Mac App – What's Plugged In

Category: devtools

Tags: macos, usb-c, troubleshooting, hardware-diagnostics, thunderbolt

Score: 7.3/10 (Innovation: 7, Technical: 8, Documentation: 8, Utility: 7)

Cable Detective is a macOS app that reads the I/O Kit registry to identify and display detailed information about USB-C, Thunderbolt, and MagSafe connections, including power delivery, DisplayPort lane state, and cable identity. It innovatively combines deep hardware introspection with an optional on-device AI explanation layer, solving real-world cable and port troubleshooting pain points with zero network reliance.

Target audience: macOS power users, IT support, hardware engineers, tech enthusiasts

Repository: https://cable-detective.franzai.com/

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